Vitiligo: Overview Vitiligo: This skin disease often forms on both sides of the body as shown here on the knees. Vitiligo (vit-uh-lie-go) causes the skin to lose color. Patches of lighter skin appear. Some people develop a few patches. Others lose much more skin color.
Removing and inspecting spark plugs tell you a lot about how well the engine is running and what may be causing problems. All spark plugs should be removed and checked every 30,000 miles - even if your BMW is low maintenance - you're told to change spark plugs at 100,000 miles. This prevents the plugs from seizing in the block, causing expensive repairs down the road. Always note which plug came from which cylinder.
To remove all the coils, then you need to remove the tank empty and dismantle their support: Now proceed to remove the old spark plug with a wrench of 16 mm. We can see the difference between a spark plug with 60,000 miles and a new one: For placing new spark plugs, use a torque wrench for threading them to 30 Nm.By the end of the spark plug change operation, we will re-assemble the coils, the vacuum tank and the plastic protective cover.o access the spark plugs, the first thing to do is remove the plastic cover office: Once removed the plastic cover, observe the coils and the vacuum tank (coils shown are those that were mounting after spending campaign to replace coils Audi 28E9):